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1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkOffsetImageFilter.h" | 8 #include "SkOffsetImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
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41 } | 41 } |
42 | 42 |
43 SkIRect bounds; | 43 SkIRect bounds; |
44 src.getBounds(&bounds); | 44 src.getBounds(&bounds); |
45 | 45 |
46 if (!applyCropRect(&bounds, matrix)) { | 46 if (!applyCropRect(&bounds, matrix)) { |
47 return false; | 47 return false; |
48 } | 48 } |
49 | 49 |
50 SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bo
unds.height())); | 50 SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bo
unds.height())); |
| 51 if (NULL == device.get()) { |
| 52 return false; |
| 53 } |
51 SkCanvas canvas(device); | 54 SkCanvas canvas(device); |
52 SkPaint paint; | 55 SkPaint paint; |
53 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 56 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
54 canvas.drawBitmap(src, fOffset.fX - bounds.left(), fOffset.fY - bounds.t
op(), &paint); | 57 canvas.drawBitmap(src, fOffset.fX - bounds.left(), fOffset.fY - bounds.t
op(), &paint); |
55 *result = device->accessBitmap(false); | 58 *result = device->accessBitmap(false); |
56 loc->fX += bounds.left(); | 59 loc->fX += bounds.left(); |
57 loc->fY += bounds.top(); | 60 loc->fY += bounds.top(); |
58 } | 61 } |
59 return true; | 62 return true; |
60 } | 63 } |
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78 const CropRect* cropRect) : INHERITED(i
nput, cropRect) { | 81 const CropRect* cropRect) : INHERITED(i
nput, cropRect) { |
79 fOffset.set(dx, dy); | 82 fOffset.set(dx, dy); |
80 } | 83 } |
81 | 84 |
82 SkOffsetImageFilter::SkOffsetImageFilter(SkFlattenableReadBuffer& buffer) | 85 SkOffsetImageFilter::SkOffsetImageFilter(SkFlattenableReadBuffer& buffer) |
83 : INHERITED(1, buffer) { | 86 : INHERITED(1, buffer) { |
84 buffer.readPoint(&fOffset); | 87 buffer.readPoint(&fOffset); |
85 buffer.validate(SkScalarIsFinite(fOffset.fX) && | 88 buffer.validate(SkScalarIsFinite(fOffset.fX) && |
86 SkScalarIsFinite(fOffset.fY)); | 89 SkScalarIsFinite(fOffset.fY)); |
87 } | 90 } |
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